All Evolution Trivia Questions
Let’s take this quiz and find out how much you really know about science evolution!
- 1.Two species of wild lettuce grow in the same areas, but one flowers in early spring and the other flowers in summer. This is an example of a:
- A.
Temporal isolating mechanism
- B.
Geographical isolating mechanism
- C.
Behavioral isolating mechanism
- D.
Mechanical isolating mechanism
- E.
Postzygotic isolating mechanism
- 2.The sperm of species A dies when it comes in contact with the female reproductive tract of species B. This is an example of:
- A.
A prezygotic isolating mechanism
- B.
A postzygotic isolating mechanism
- C.
Gradualism
- D.
Polyploidy
- E.
Sexual selection
- 3.Which of these isolating mechanisms occurs at the pre-mating stage?
- A.
Geographic isolation
- B.
Gametic incompatibility
- C.
Hybrid disadvantage
- D.
Hybrid sterility
- 4.Which of the following statements is NOT true about natural selection?
- A.
Natural selection directs the course of evolution by preserving traits acquired during an individual’s lifetime
- B.
The offspring of individuals that are better adapted to the environment will make up a larger proportion of the next generation
- C.
Natural selection depends on the genetic variability in a population, which in turn arises through mutations
- D.
Natural selection acts to preserve favourable traits and eliminate unfavourable traits
- E.
Natural selection leads to adaptive evolutionary change
- 5.Random evolutionary changes in a small breeding population is known as:
- A.
Gene flow
- B.
Genetic drift
- C.
Disruptive selection
- D.
Natural selection
- E.
Mutation
- 6.Seriously abnormal phenotypes or harmful mutations are acted against or reduced to low frequencies by:
- A.
Beneficial mutations
- B.
Gene flow
- C.
Disruptive selection
- D.
Genetic drift
- E.
Natural selection
- 7.The migration of breeding individuals between populations causes a corresponding movement of alleles, which is referred to as:
- A.
Genetic drift
- B.
Directional selection
- C.
Natural selection
- D.
Gene flow
- E.
Mutation
- 8.Because of fluctuations in the environment a population may periodically experience a rapid decrease in the number of individuals. When this occurs, genetic drift can occur in the few remaining survivors, a process referred to as:
- A.
The founder effect
- B.
Migration
- C.
A genetic bottleneck
- D.
Gene flow
- E.
Natural selection
- 9.The process that decreases the number of organisms with phenotypes less fit to meet environmental challenges is:
- A.
Natural selection
- B.
Genetic drift
- C.
Gene flow
- D.
Genetic polymorphism
- E.
Migration
- 10.When phenotypes are favoured at one extreme of a normal distribution, selection occurs:
- A.
Stabilizing
- B.
Directional
- C.
Disruptive
- D.
Frequency dependent
- E.
Abnormal
- 11.Frequency dependent selection acts to decrease the frequency of which phenotype in a population?
- A.
The least common phenotypes
- B.
The average phenotype
- C.
The most conspicuous phenotypes
- D.
The most common phenotype
- E.
The most camouflaged phenotype
- 12.In selection, individuals with a phenotype near the mean are favoured over those with phenotypic extremes
- A.
Directional
- B.
Disruptive
- C.
Stabilizing
- D.
Frequency-dependent
- E.
Natural
- 13.Human birth weight is a good example of:
- A.
Genetic drift
- B.
The founder effect
- C.
Directional selection
- D.
Disruptive selection
- E.
Stabilizing selection
- 14.The prevention of genetic exchange between two species because they reproduce at different times of the day, season or year is called:
- A.
Hybrid sterility
- B.
Genetic isolation
- C.
Sexual isolation
- D.
Mechanical isolation
- E.
Temporal isolation
- 15.The distinctive mating signals that have evolved as part of animals courtship illustrates what type of reproductive isolating mechanism?
- A.
Behavioral isolation
- B.
Mechanical isolation
- C.
Gametic isolation
- D.
Temporal isolation
- E.
Hybrid breakdown
- 16.When the reproductive cells of different species are incompatible, it is referred to as:
- A.
Behavioral isolation
- B.
Gametic isolation
- C.
Hybrid isolation
- D.
Temporal isolation
- E.
Hybrid sterility
- 17.The geographic isolation of Kaibab squirrels from Albert squirrels appears to be leading to:
- A.
Sympatric speciation
- B.
Hybridization
- C.
Allopolypoidy
- D.
Allopatric speciation
- E.
Adaptive radiation
- 18.If two species are able to interbreed but produced sterile hybrids, their species integrity is maintained by:
- A.
Gametic isolation
- B.
A prezygotic barrier
- C.
Hybrid inviability
- D.
A postzygotic barrier
- 19.Cattle breeders have improved the quality of meat over the years by which process?
- A.
Artificial selection
- B.
Directional selection
- C.
Stabilizing selection
- D.
Artificial and directional selection only
- E.
Artificial, directional and stabilizing selection
- 20.Which of the following is NOT considered a reproductive isolating mechanism?
- A.
Sterile offspring
- B.
Ecological isolation
- C.
Feeding behaviour
- D.
Gametic incompatibility
- E.
Timing of courtship display
- 21.Which of the following reproductive isolating mechanisms is postzygotic?
- A.
Habitat isolation
- B.
Temporal isolation
- C.
Hybrid sterility
- D.
Behavioural isolation
- E.
Gamete incompatibility
- 22.Although different species of warblers often migrate together and use the same habitats for mating and feeding, they rarely hybridize. The isolating mechanism, most likely to be operating is:
- A.
Ecological isolation
- B.
Temporal isolation
- C.
Behavioural isolation
- D.
Mechanical isolation
- E.
Gametic isolation
- 23.Some species of Anopheles mosquito live in brackish water, some in running freshwater, and others in stagnant water. What type of reproductive barrier is most obviously separating these different species?
- A.
Ecological isolation
- B.
Temporal isolation
- C.
Behavioural isolation
- D.
Gametic isolation
- E.
Postzygotic isolation
- 24.The reproductive barrier that maintains the species boundary between horses and donkeys is:
- A.
Mechanical isolation
- B.
Gametic isolation
- C.
Hybrid in-viability
- D.
Hybrid sterility
- E.
Hybrid breakdown
- 25.
Review the image and answer the following question.The tendency for human infants to weigh 7 lbs at birth is an example of what kind of selection?- A.
Disruptive selection
- B.
Stabilizing selection
- C.
Directional selection
- D.
None of these is correct.
Questions: 7 | Attempts: 2869 | Last updated: Mar 21, 2022
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